12131223107 has 2 divisors, whose sum is σ = 12131223108. Its totient is φ = 12131223106.

The previous prime is 12131223061. The next prime is 12131223133. The reversal of 12131223107 is 70132213121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12131223107 - 2²⁴ = 12114445891 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131223407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065611553 + 6065611554.

It is an arithmetic number, because the mean of its divisors is an integer number (6065611554).

Almost surely, 2^12131223107 is an apocalyptic number.

12131223107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131223107 is an equidigital number, since it uses as much as digits as its factorization.

12131223107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 12131223107 its reverse (70132213121), we get a palindrome (82263436228).

The spelling of 12131223107 in words is "twelve billion, one hundred thirty-one million, two hundred twenty-three thousand, one hundred seven".